class StoreController < ApplicationController
  
  before_filter :find_cart, :except => :empty_cart
  
  def index
    @products = Product.find_products_for_sale
    #@cart = find_cart
  end

  def add_to_cart
    product = Product.find(params[:id]) 
    #@cart = find_cart 
    @current_item = @cart.add_product(product)
    respond_to do |format|
      format.js if request.xhr?
      format.html {redirect_to_index}
    end
    rescue ActiveRecord::RecordNotFound
    logger.error("Attempt to access invalid product #{params[:id]}")
    flash[:notice] = "Invalid product"
    redirect_to_index("Invalid product")
  end
  
  def empty_cart
    session[:cart] = nil
    redirect_to_index
  end
  
  def checkout
    #@cart = find_cart
    if @cart.items.empty?
      redirect_to_index("Your cart is empty")
    else
      @order = Order.new
    end
  end
  
  def save_order
    #@cart = find_cart
    @order = Order.new(params[:order]) # <label id="code.p.new.order"/>
    @order.add_line_items_from_cart(@cart) # <label id="code.p.append.li"/>
    if @order.save                     # <label id="code.p.save"/>
      session[:cart] = nil
      redirect_to_index(I18n.t('flash.thanks'))
    else
      render :action => 'checkout'
    end
  end
      
private

  def redirect_to_index(msg = nil)
    flash[:notice] = msg if msg
    redirect_to :action => 'index'
  end 
  
  def find_cart
    @cart =  (session[:cart] ||= Cart.new)
  end
  
protected
 
  def authorize
  end
end
